$*\*$*$
$*aaa\*$*$
$*\*$bbb*$
$*aaa\*$bbb*$
$*\\*$
$*aaa\\*$
$*\\bbb*$
$*aaa\\bbb*$
$*\\\*$*$
$*aaa\\\*$*$
$*\\\*$bbb*$
$*aaa\\\*$bbb*$